How Low Does It Go?•Bass limit 25 Hz at 92 dB SPL The Velodyne had 6 to 12 dB higher SPL at 25 Hz than any other sub tested. Translation: It kicks major butt.

How Big the Bang? •Average SPL from 25 to 62 Hz 107.3 dB • Maximum SPL 116 dB at 62 Hz •Dollars per dB $6.51 The CHT-15 can produce peak SPLs that beat subs costing three to four times as much.

The Bottom Line The Velodyne CHT-15 delivered the biggest bang of the lot, hitting a tooth-rattling 116 dB max SPL. Its all-black styling can be considered either mysterious or menacing depending on your perspective.